Drilldown: Patents

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Patents > Tech fields : springs or stability & Number of claims: 2-3

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None (215) · Patent NO-1915-12-15 Carl Alfred Johansson (6) · Patent AT-1913-66955 (3) · Patent FR-1907-373818 (3) · Patent DE-1908-232250 (3) · Patent FR-1909-410140 (3)
Related to aircraft:
Patent agent:
None (101) · Armengaud jeune (24) · None (9) · E. Blétry (7) · Marks & Clerk (7) · Herbert Haddan & Co. (6) · Haseltine, Lake & Co. (6) · Schwab (5) · Victor J. Evans (5) · J. Bonnet-Thirion (4) · Boult, Wade & Tennant (4) · Munn & Co. (4) · W. P. Thompson & Co. (4) · Johnsons & Willcox (4) · Lavoix et Mosès (4) · J. Bonnet-Thirion et Breton (4)
National tech categories:
FR 6.4 (137) · None (84) · HU V/h (21) · AT 77d (16) · CH 129b (5) · USPC 244/79 (5) · DK 77 (4) · USPC 244/35R (4) · DE 77 (4) · USPC 244/6 (3) · USPC 244/93 (3) · USPC 244/90R (3) · DE 77h.5 (3) · USPC 74/5.22 (3)
IPCs:
None (127) · IPC B64C17/00 (90) · IPC B64C1/00 (78) · IPC B64C39/00 (15) · IPC B64C17/06 (14) · IPC B64B1/00 (13) · IPC B64C13/00 (10) · IPC B64C3/38 (7) · IPC B64B1/40 (6) · IPC CPC B64C13/00 (3) · IPC B64C9/00 (3) · IPC B64C33/00 (3) · IPC B64C3/14 (3) · IPC B64C3/00 (3) · IPC B64C19/00 (3) · IPC B64C3/52 (3) · IPC B64C13/04 (3)
CPCs:
CPC B64C17/00 (99) · None (72) · CPC B64C2700/6218 (41) · CPC B64C13/00 (23) · CPC B64C2700/6212 (22) · CPC B64C17/06 (17) · CPC B64B1/00 (13) · CPC B64C2700/6295 (11) · CPC B64C3/385 (11) · CPC B64C2700/6216 (11) · CPC B64C2700/6256 (10) · CPC B64C1/00 (10) · CPC B64C39/00 (10) · CPC B64C2700/6214 (9) · CPC B64B1/40 (9) · CPC B64C23/005 (7) · CPC B64C2700/6228 (6) · CPC B64C3/14 (6) · CPC B64C39/005 (6)
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